LTC3672BEDC-1#TRMPBF

Voltage/Current - Output 3:	2.8V, 150mA
Base Part Number:	LTC3672
Supplier Device Package:	8-DFN (2x2)
Package / Case:	8-WFDFN Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C
Voltage - Supply:	2.9 V ~ 5.5 V
w/Sequencer:	No
w/Supervisor:	No
w/LED Driver:	No
Series:	--
Voltage/Current - Output 2:	1.2V, 150mA
Voltage/Current - Output 1:	1.8V, 400mA
Frequency - Switching:	2.25MHz
Number of Outputs:	3
Function:	Any Function
Topology:	Step-Down (Buck) Synchronous (1), Linear (LDO) (2)
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction
The LTC3672BEDC-1#TRMPBF is a member of the PMIC - Voltage Regulators - Linear + Switching family. It is a step-down current mode switching regulator that has built-in circuitry that allows for forced continuous mode for use with ultra-low IQ applications. With two selectable operating modes, the LTC3672BEDC-1#TRMPBF offers flexibility and can be used in a variety of applications. This article will discuss the application fields and working principle of the LTC3672BEDC-1#TRMPBF.Application Fields
The LTC3672BEDC-1#TRMPBF is ideal for a variety of applications, including: portable consumer electronics, computer power supplies, battery powered or low noise applications, and low power embedded systems. This step-down voltage regulator has an operating input voltage of up to 36V, making it suitable for use in regulation of a wide range of voltages and applications.The LTC3672BEDC-1#TRMPBF also features over-temperature and over-current protection for added protection for critical components. It also has a soft start feature which helps provide a smooth ramp up of the output voltage.Working Principle
The LTC3672BEDC-1#TRMPBF is designed to create a constant and regulated output voltage from an input voltage that can vary from 4.5V to 36V. The regulator\'s output voltage can be precisely adjusted with the external feedback resistor. Moreover, the external MOSFET provides the best compromise between low dropout voltage and low quiescent current.The device is configured to operate as either a continuous or discontinuous conduction mode (DCM) buck regulator. In continuous mode, the output voltage of the device is maintained constant while drawing current from the input source whether or not the load is drawing current. In discontinuous conduction mode, the device will periodically enter a low power state when the load is light and no current is being drawn from the input voltage source.When operating in these modes, the LTC3672BEDC-1#TRMPBF provides cycle-by-cycle current limiting and thermal shutdown for additional protection. With its low quiescent current and low operating temperature, the device is suitable for applications where efficiency and power dissipation are critical.Conclusion
The LTC3672BEDC-1#TRMPBF is a voltage regulator that belongs to the PMIC - Voltage Regulators - Linear + Switching family. Its versatile design makes it suitable for a wide range of applications, including portable consumer electronics, computer power supplies, battery powered or low noise applications, and low power embedded systems. Moreover, it has built-in features such as over-temperature and over-current protection, soft start, and two selectable operating modes for added flexibility. The device is designed to create a constant and regulated output voltage from an input voltage that can vary from 4.5V to 36V.

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